floureon M602 Twin Walkie Talkies Toy 22 Channel FRS/GMRS UHF462-467MHz 2-Way Radio 3KM Range Interphone for Kids Children Outdoor Camping Hiking (4 Packs, Black/Orange) Warranty: Floureon Walkie Talkies has 12-month warranty and 100% friendly customer service Advantages: Good sound quality; Adjustable volume level; 22 channel PMR system; LCD backlit display; battery status indicator Range: Generous range up to 3km(1.86mile), MAX range up to 5km(3.11mile) in the open field. Applications: Great for supermarkets, shopping centers, festivals and any outdoor activities Kindly Note: Adverse weather conditions and buildings may affect the range